28279998

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{859}}^1$

素因数の和:957

約数の個数: 48

約数和(自身を含む): 64396800

約数和(自身を除く): 36116802

約数列:

[1, 2, 3, 6, 9, 18, 31, 59, 62, 93, 118, 177, 186, 279, 354, 531, 558, 859, 1062, 1718, 1829, 2577, 3658, 5154, 5487, 7731, 10974, 15462, 16461, 26629, 32922, 50681, 53258, 79887, 101362, 152043, 159774, 239661, 304086, 456129, 479322, 912258, 1571111, 3142222, 4713333, 9426666, 14139999, 28279998]

約数ペア:

[(1, 28279998), (2, 14139999), (3, 9426666), (6, 4713333), (9, 3142222), (18, 1571111), (31, 912258), (59, 479322), (62, 456129), (93, 304086), (118, 239661), (177, 159774), (186, 152043), (279, 101362), (354, 79887), (531, 53258), (558, 50681), (859, 32922), (1062, 26629), (1718, 16461), (1829, 15462), (2577, 10974), (3658, 7731), (5154, 5487)]